<!DOCTYPE html>
<meta charset="UTF-8">
<script id="appScript" type="module"></script>

<cmp-a></cmp-a>

<cmp-d>
  <cmp-c>
    cmp-c light-dom text top
    <p>cmp-c light-dom paragraph</p>
    cmp-c light-dom text bottom
  </cmp-c>
</cmp-d>

<script>
  console.log('page load');
  setTimeout(() => {
    document.getElementById('appScript').src = '/build/app.esm.js';
    console.log('script added');
  }, 1500);
</script>